Description Usage Arguments Value Author(s) References
This function takes a set of time series samples as input estimates a set of patterns. The patterns are calculated based in a GAM model. The idea is to use a formula of type y ~ s(x), where x is a temporal reference and y if the value of the signal. For each time, there will be as many predictions as there are sample values. The GAM model predicts a suitable approximation that fits the assumptions of the statistical model. By default, the gam methods produces an approximation based on a smooth function.
This method is based on the "createPatterns" method of the dtwSat package, which is also described in the reference paper.
1 2 |
data.tb |
a table in SITS format with time series to be classified using TWTDW |
bands |
the bands used to obtain the pattern |
from |
starting date of the estimate (month-day) |
to |
end data of the estimated (month-day) |
freq |
int - the interval in days for the estimates to be generated |
formula |
the formula to be applied in the estimate |
... |
any additional parameters |
patterns.tb a SITS table with the patterns
Victor Maus, vwmaus1@gmail.com
Gilberto Camara, gilberto.camara@inpe.br
Rolf Simoes, rolf.simoes@inpe.br
Maus V, Camara G, Cartaxo R, Sanchez A, Ramos FM, de Queiroz GR (2016). A Time-Weighted Dynamic Time Warping Method for Land-Use and Land-Cover Mapping. IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 9(8):3729-3739, August 2016. ISSN 1939-1404. doi:10.1109/JSTARS.2016.2517118.
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